Muscles2 Flashcards
Biceps brachii
Flexes:
Extends:
Flexes the elbow
Extends the shoulder
Biceps brachii
Origin
Insertion
Origin- medial side of distal scapula
Insertion- radius and ulna
Triceps
Extends
Extends elbow
Triceps
Origin
Insertion
Origin- lateral side of distal scapula and proximal humerus
Insertion- olecrannon of ulna
Infraspinatus
Abduct and flex
Abduct and flex the shoulder
Infraspinatus
Origin
Insertion
Origin: caudal side of lateral scapula
Insertion: greater tubercle of humerus
Damage to the infraspinatus leads to
“Sweeney” (when a harness doesn’t fit properly, damages the infraspinatus )
Chest muscles
Pectorals
Pectorals
Adduct the
Thoracic limb
Pectorals
Origin
Insertion
Origin: sternum
Insertion: humerus
Caudal thigh muscles (semimembranosus and semitendinosus)
Extend
Flex
Extend the hip
Flex the stifle
Caudal thigh muscles (semimembranosus and semitendinosus)
Origin
Insertion
Origin: tuber ischii
Insertion: proximal tibia
Quadriceps femoris
Cranial thigh muscles
Extend the
Extend the stifle
Quadriceps femoris
Origin
Insertion
Origin : femur
Insertion: tibia
Rump muscles
Gluteal muscles
Gluteal muscles
Extend the
Abduct the
Extend the hip
abduct the limb
Injection site in beef cattle
Gluteal muscles
calf muscle connected to Achilles’ tendon
Gastrocnemius
Gastrocnemius
Flexes
Extends
Flexes stifle, extends hock
Gastrocnemius
Origin
Insertion
Origin: femur
Insertion: calcaneus
Adductor muscles
Adduct the
Adduct the hind limbs
Adductor muscles
Origin
Insertion
Origin: ventral pelvis
Insertion: femur and tibia
If this is injured a cow will “split” herself
Adductor muscles
Circular muscles around bodily openings
Sphincters
The anal sphincter is made of _____ muscle and _______ muscle
Skeletal and smooth
Sphincter around stomach outlet
What kind of muscle
Pyloric
Smooth muscle
Sphincter around eyes
What kind of muscle
Orbicular oculi
Skeletal muscle
The urethral muscle is made of what kind of muscle
Smooth and skeletal
Where the esophagus joins the stomach
What kind of muscle
Esophageal sphincter
Smooth and cardiac
Muscles that aid in arching back to urinate, defecate, give birth, cough, sneeze
Abdominal muscles
White line on abdomen with very little blood supply that is the landmark for abdominal surgery
Linea Alba
Muscles dorsal to the vertebrae
Expaxial (lumbar) muscles
Distal portions of limbs have tendons and ligaments but no ______
Muscles
Extensor muscles are located on the ______ (cranial/caudal) surface of limbs
Cranial
Flexor muscles are located on the _______(cranial/caudal)
Caudal
Sac filled with synovial fluid, between tendon and bone to prevent friction
Bursa
Overuse or infection of bursa leads to
Bursitis
Elongated bursa that surrounds a tendon. Found along tendons in legs
Synovial sheath it tendon sheath
Neck muscles
Bracheosephalic muscle and trapezius muscle
Jaw muscle
Masseter muscle
Examples of heartworm treatment medicine.
What is this medicine made with
Immiticide or diroban
Made with arsenic
The patella is located in which tendon
The quadriceps tendon
